[gdal-dev] Relating to GeoLocation tool of Geospatial PDF Document

Even Rouault even.rouault at spatialys.com
Tue Apr 7 00:51:17 PDT 2015


Le mardi 07 avril 2015 09:37:35, Vankadara, Sunil a écrit :
> Hi Team,
> 
> I created a PDF file with OGC_BP as GEO_ENCODING option like shown in the 
> below command.  The below tif file's Datum and Projection details are
> WGS84 /Geographic (lat/lon).
> 
> ./gdal_translate.exe -of PDF ../../Data/input/sample256x256_1.tif
> ../../Data/output/sample256x256_1.pdf -co GEO_ENCODING=OGC_BP -co
> COMPRESS=JPEG -co PRODUCER="ERDAS IMAGINE" -co
> CREATION_DATE=D:20150407111345+02'00'
> 
> Looked at the created PDF file Metadata using QGIS tool and noticed that it
> is having the same datum and projection details as like below.
> 
> Layer Spatial Reference System
> +proj=longlat +datum=WGS84 +no_defs
> Layer Extent (layer original source projection)
> -84.5046451524118538,34.1200924180016969 :
> -84.5042907999925177,34.1204467704210259
> 
> When I tried to use the Geospatial Location tool
> (Edit->Analysis->Geospatial Location Tool ) in the Adobe PDF Reader then
> the empty lat/long values are displaying at the right bottom of the 
> document. Am I missing anything in creating the Geospatial PDF document ?
> How to confirm whether the CRS information is written into the PDF
> document or not? How GDAL PDF handles in case the given projection is not
> supported by the driver?

Sunil,

I'm not sure Adobe Reader understands the OGC Best Practice encoding. I think 
it's only the TerraGo toolbar. Try with the ISO32000 encoding instead (the 
default).

Even

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